WB40NBT Datasheet, PDF (14/26 Pages) Laird Tech Smart Technology – This document describes key hardware aspects of the Laird SDC-WB40NBT wireless bridge module

WB40NBT
Datasheet
Pin # Name
24 STAT0
25 ETX1
26 STAT1
27 GND
28 /PWDN
29 ERX0
30 /RESET
31 ERX1
32 GND
33 GND
34 TWD
35 ETXEN
36 TWCK
37 ECRSDV
38 GND
39 ERXER
40 TXD1
41 ERST/ADC2
42 RXD1
43 EMDC
44 CTS1
45 EMDIO
46 RTS1
Section
Status
Ethernet
RMII
Status
Ethernet
RMII
Control
Ethernet
RMII
Control
Ethernet
RMII
Two Wire
Interface
Ethernet
RMII
Two Wire
Interface
Ethernet
RMII
Two Wire
Interface
Ethernet
RMII
UART1
Ethernet
RMII
UART1
Ethernet
RMII
UART1
Ethernet
RMII
UART1
Ethernet
RMII
UART1
I/O Reference
O VCC3_3
O VCC3_3
O VCC3_3
--
I
VCC3_3
I
VCC3_3
I/O VCC3_3
I
VCC3_3
-- --
-- --
I/O VCC3_3
O VCC3_3
I/O VCC3_3
I
VCC3_3
-- --
I
VCC3_3
O VCC3_3
O VCC3_3
I
VCC3_3
O VCC3_3
I
VCC3_3
I/O VCC3_3
O VCC3_3
Description
Status High while system in reset,
bootloader or OS boot, low when
OS is up
Ethernet data output 1
If unused
Leave open
Leave open
Status High while system running,
low while system in suspend state
Signal Ground
Powers down the module, active
low
Ethernet Data Input 0
Leave open
Must be connected to
GND
Leave open
Leave open
This line will be pulled low
momentarily during power-on by
the CPU's internal power-on
circuitry. The CPU then samples the
state of this line after it de-asserts
/RESET. Therefore, do not add more
than 100pF external capacitance to
this pin outside of the module.
Ethernet Data Input 1
Leave open
Leave open
Signal Ground
Signal Ground
Two-wire Serial Data
Must be connected to
GND
Must be connected to
GND
Leave open
Ethernet Transmit Enable
Leave open
Two-wire Serial Clock
Leave open
Ethernet Carrier Sense and Data
Valid
Signal Ground
Ethernet Receive Error
Leave open
Must be connected to
GND
Leave open
Serial UART1 Transmit Data
Ethernet Reset
Leave open
Leave open
Serial UART1 Receive Data
Ethernet Management Data Clock
47K pull-up
Leave open
Serial UART1 Clear To Send; Active
low
Ethernet Management Data
Input/Output
Serial UART1 Request To Send;
Active low
47K pull-up
Leave open
Leave open
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
14
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